1
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following noble gases reacts with fluorine to give crystalline fluorides?

A
Ne
B
He
C
Xe
D
Ar
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is NOT the use of SO$$_2$$ gas?

A
As a preservative
B
In manufacture of H$$_2$$SO$$_4$$
C
With conc. H$$_2$$SO$$_4$$ it forms oleum
D
As an antichlor
3
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the number of allotropes of selenium?

A
2
B
4
C
5
D
6
4
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following elements of halogen family is in liquid state at room temperature?

A
Iodine
B
Astatine
C
Bromine
D
Fluorine
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